package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.conditions.update.LambdaUpdateWrapper;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.User;
import com.itheima.reggie.service.UserService;
import com.itheima.reggie.utils.SMSUtils;
import com.itheima.reggie.utils.ValidateCodeUtils;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpSession;
import java.util.Map;
import java.util.concurrent.TimeUnit;

@Slf4j
@RestController
@RequestMapping("/user")
public class UserController {

    @Autowired
    private UserService userService;
    @Autowired
    private RedisTemplate redisTemplate;

    @PostMapping("/sendMsg")
    public R sendMsg(@RequestBody User user, HttpSession session){
        //获取手机号
        String phone = user.getPhone();
        if(StringUtils.isNotEmpty(phone)){
            //生成6位验证码
            String code = ValidateCodeUtils.generateValidateCode(6).toString();

            log.info("code={}",code);
            //发送短信
            //SMSUtils.sendMessage("瑞吉外卖","",phone,code);
            
            //session 保存验证码
            //session.setAttribute("code"+phone,code);

            //redis 保存验证码
            redisTemplate.opsForValue().set("code"+phone,code,5, TimeUnit.MINUTES);

            return R.success("短信发送成功");
        }
        return R.error("发送失败");
    }

    @PostMapping("/login")
    public R userLogin(@RequestBody Map map,HttpSession session){

        String code = map.get("code").toString();

        String phone = map.get("phone").toString();

        //校验验证码
        //String sessionCode = session.getAttribute("code"+phone).toString();
        //从redis中获取验证码
        String sessionCode = String.valueOf(redisTemplate.opsForValue().get("code" + phone));

        if(sessionCode != null && sessionCode.equals(code)){
            //判断是否新用户
            LambdaUpdateWrapper<User> lqw = new LambdaUpdateWrapper<>();
            lqw.eq(User::getPhone,phone);
            User user = userService.getOne(lqw);
            if(user == null){
                user = new User();
                user.setPhone(phone);
                user.setStatus(1);
                userService.save(user);
            }
            session.setAttribute("user",user);

            //登录成功后删除缓存的验证码
            redisTemplate.delete("code"+phone);

            return R.success("登陆成功");
        }
        return R.error("登录失败");
    }
    @PostMapping("/loginout")
    public R userLogout(HttpSession session){

        session.invalidate();
        return R.success(null);
    }

}
